Article
Nanoscience & Nanotechnology
Chun Cao, Xiaoming Shen, Shixiong Chen, Minfei He, Hongqing Wang, Chenliang Ding, Dazhao Zhu, Jianjie Dong, Hongzheng Chen, Ning Huang, Cuifang Kuang, Ming Jin, Xu Liu
Summary: Two-photon polymerization based direct laser writing (DLW) is a promising micronano 3D fabrication technology, and the use of liquid two-photon initiators (TPIs) enhances its efficiency. The liquid TPIs have higher solubility and absorption cross section than traditional TPIs, resulting in improved polymerization and the ability to fabricate high-quality microstructures.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Nanoscience & Nanotechnology
Chun Cao, Yiwei Qiu, Lingling Guan, Zhen Wei, Zhenyao Yang, Lanxin Zhan, Dazhao Zhu, Chenliang Ding, Xiaoming Shen, Xianmeng Xia, Cuifang Kuang, Xu Liu
Summary: In this study, a refractive index matched photoresist with effective photoinhibition capacity was developed, enabling ultrahigh precision fabrication on wafer. The minimum critical dimension of 39 nm was successfully achieved on wafer through dip-in PI-TPL, paving the way for subdiffraction silicon-based chip manufacturing. Moreover, the combination of the developed photoresist and dip-in mode allows for the fabrication of tall and high-precision three-dimensional nanostructures.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Review
Optics
Zhiyun Ye, Molin Su, Jianing Li, Cainian Jing, Shubo Xu, Liqiang Liu, Guocheng Ren, Xiaolin Wang
Summary: This review discusses the main factors of the formation mechanism of laser fabricated nano-materials, focusing on precision microstructures, mechanical properties, biocompatibility, and research status. It also discusses the trend of development of laser nano-technology and how to utilize the nano-materials to expand the applications of light alloys.
OPTICS AND LASER TECHNOLOGY
(2021)
Review
Chemistry, Multidisciplinary
Antonio Balena, Marco Bianco, Ferruccio Pisanello, Massimo De Vittorio
Summary: Thanks to its high sub-diffraction resolution, Two-Photon Lithography is the preferred lithographic technique for small feature sizes and complex 3D patterning. However, its fabrication times are longer than other techniques, limiting its adoption in industry. Combining it with holography approaches can increase its throughput and make it more suitable for industrial applications.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Physical
Arun Jaiswal, Sweta Rani, Gaurav Pratap Singh, T. Archana, Mahbub Hassan, Aklima Nasrin, Vincent G. Gomes, Sumit Saxena, Shobha Shukla
Summary: Chiral metasurfaces, which have the ability to control the polarization of electromagnetic waves, hold great potential in the development of ultrathin components for advanced photonics technologies. However, their complex fabrication processes have limited their growth and application. In this work, we utilized two-photon polymerization based lithography to fabricate carbon-based dielectric chiral metasurfaces in a single step, and also calculated their theoretical responses. This approach not only allows for the fabrication of arbitrary structures with subwavelength resolved features, but also has the potential for generating all-carbon metamaterials and 3D metasurfaces for various photonics and optical technologies.
Article
Chemistry, Multidisciplinary
Zhaoyi Xu, Lingzhi Wang, Xiao Huan, Heekwon Lee, Jihyuk Yang, Zhiwen Zhou, Mojun Chen, Shiqi Hu, Yu Liu, Shien-Ping Feng, Tongtong Zhang, Feng Xu, Zhiqin Chu, Ji Tae Kim
Summary: This study introduces a direct, on-demand electrohydrodynamic printing method for nanodiamonds containing NV centers, allowing high precision control over quantity and position without the need for lithographic processes. The approach has the potential to open up new possibilities for experimental quantum physics and practical implementation of quantum systems.
Article
Materials Science, Ceramics
Xiang Zhang, Fei Wang, Zhipeng Wu, Yongfeng Lu, Xueliang Yan, Michael Nastasi, Yan Chen, Yifei Hao, Xia Hong, Bai Cui
Summary: By combining a direct selective laser sintering process with a laser preheating procedure, the temperature gradient and thermal stress were reduced, leading to the successful additive manufacturing of BaTiO3 ceramics. The resulting h-BaTiO3 layer showed high relative density, absence of pores or microcracks, and a Vickers hardness 70% higher than conventionally sintered t-BaTiO3 ceramics.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2021)
Article
Nanoscience & Nanotechnology
Erik Hagen Waller, Stefan Duran, Georg von Freymann
Summary: This paper introduces a method for rapid fabrication of high-precision 3D silver microstructures on various substrates. The method utilizes laser-induced photoreduction of silver ions to achieve high fabrication throughput. The combination of a novel photosensitive suspension and a multiple exposure fabrication process allows for effective fabrication speeds of up to 1 cm per second, with a minimum structure size of less than 1 micron and a resolution of over 750 lines/mm. The resulting silver topographies can be used to fabricate photonic components with spectral features ranging from mid-to far-infrared.
Article
Optics
Congyi Wu, Youmin Rong, Ranwu Yang
Summary: The study focused on the UV nanosecond laser cutting of PC films, evaluating the cutting mechanism and analyzing the influence of process parameters on cutting quality through orthogonal experiments. The optimal parameter combination resulted in smaller cutting seam width and heat-affected zone width without obvious seam taper.
OPTICS AND LASER TECHNOLOGY
(2021)
Article
Materials Science, Multidisciplinary
Valerio Levati, Davide Girardi, Nicola Pellizzi, Matteo Panzeri, Matteo Vitali, Daniela Petti, Edoardo Albisetti
Summary: Nanomaterials derive their properties from specific nanostructures, and traditional nanofabrication techniques are often used for device fabrication. This perspective discusses an alternative approach where advanced nanofabrication techniques are used to directly nanostructure condensed matter systems after growth, inducing controlled changes in properties. The advantages, limitations, applications, and future perspectives of this approach are highlighted.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Thermodynamics
Guiru Meng, Yadong Gong, Jingdong Zhang, Lida Zhu, Hualong Xie, Jibin Zhao
Summary: Laser deposition manufacturing is a promising technology for high performance metal parts and has broad applications in aerospace and other fields. A multi-scale modeling approach is used to simulate the microstructure evolution during the process, and the effects of different process parameters are investigated. The simulated results are consistent with experimental observations.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2022)
Article
Chemistry, Multidisciplinary
Ievgeniia Topolniak, Anna Maria Elert, Xenia Knigge, Goksu Cinar Ciftci, Joerg Radnik, Heinz Sturm
Summary: This study demonstrates a PDA deposition method based on multiphoton lithography, which enables full control over spatial and temporal aspects, and allows for flexible pattern design. 2D microstructures with complex designs are achieved with high pattern precision, and the morphology and thickness of the fabricated microstructure can be adjusted within one deposition step, providing tunability of material properties. This work introduces a new method for high-precision and complete control of PDA deposition, enabling its incorporation in applications that require fine and precise local surface functionalization.
ADVANCED MATERIALS
(2022)
Article
Robotics
Jiawei Mo, Md Jahidul Islam, Junaed Sattar
Summary: This paper proposes a fast and accurate stereo visual SLAM approach that does not rely on feature detection and matching. By extending monocular Direct Sparse Odometry (DSO) to a stereo system and optimizing scale, a computationally efficient and robust method is achieved. Furthermore, the approach improves SLAM accuracy by incorporating loop closure and LiDAR scan simulation techniques.
IEEE ROBOTICS AND AUTOMATION LETTERS
(2022)
Article
Optics
Hemadri Bandhu, P. Ashok, Durga Prasad Khandapu, Amit Verma
Summary: This research demonstrates a lithography-free method to fabricate VO2 devices using direct laser writing on vanadium thin films. The process simplifies fabrication compared to traditional methods and enables resistance switching driven by either voltage or temperature. The research also shows the potential of using these devices in circuit applications.
OPTICS AND LASER TECHNOLOGY
(2023)
Article
Nanoscience & Nanotechnology
Thomas Palmer, Erik H. Waller, Heiko Andra, Konrad Steiner, Georg von Freymann
Summary: The study investigates the impact of light-particle interactions and varying scanning speed on heat generation and particle deposition in direct laser writing of silver. A theoretical model is introduced which captures diffusion of particles and heat as well as the fluid dynamics of the photoresist. The simulations suggest optical forces generally surmount those due to convection of the photoresist.
ACS APPLIED NANO MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Fotis Fraggelakis, Girolamo Mincuzzi, Inka Manek-Honninger, John Lopez, Rainer Kling
Article
Multidisciplinary Sciences
Adrian H. A. Lutey, Laura Gemini, Luca Romoli, Gianmarco Lazzini, Francesco Fuso, Marc Faucon, Rainer Kling
SCIENTIFIC REPORTS
(2018)
Article
Nanoscience & Nanotechnology
Fotis Fraggelakis, Girolamo Mincuzzi, John Lopez, Rainer Kling, Inka Manek-Honninger
JOURNAL OF LASER MICRO NANOENGINEERING
(2018)
Article
Chemistry, Physical
Fotis Fraggelakis, Girolamo Mincuzzi, John Lopez, Inka Manek-Honninger, Rainer Kling
APPLIED SURFACE SCIENCE
(2019)
Article
Optics
G. Mincuzzi, M. Faucon, R. Kling
OPTICS AND LASERS IN ENGINEERING
(2019)
Article
Optics
Kevin Gaudfrin, John Lopez, Konstantin Mishchik, Laura Gemini, Rainer Kling, Guillaume Duchateau
Article
Chemistry, Physical
Laura Gemini, Samy Al-Bourgol, Guillaume Machinet, Aboubakr Bakkali, Marc Faucon, Rainer Kling
Summary: This study investigates the feasibility of femtosecond laser ablation of bone tissue using industrially available fs laser sources and conducts a comprehensive parametric study to optimize the ablation rate while maintaining tissue health.
Article
Optics
K. Gaudfrin, J. Lopez, L. Gemini, M. Delaigue, C. Honninger, R. Kling, G. Duchateau
Summary: This paper investigates the application of dual-wavelength double ultrashort laser pulses in fused silica processing. The study explores the control of free electrons dynamics and subsequent ablation using this laser technology. The results demonstrate the cooperative effect between the two sub-pulses for optimizing the ablation efficiency.
Article
Materials Science, Multidisciplinary
Girolamo Mincuzzi, Alice Rebiere, Marc Faucon, Aurelien Sikora, Rainer Kling
JOURNAL OF LASER APPLICATIONS
(2020)
Proceedings Paper
Engineering, Electrical & Electronic
G. Mincuzzi, A. Rebiere, J. Lopez, M. Faucon, R. Kling
LASER-BASED MICRO- AND NANOPROCESSING XII
(2018)
Proceedings Paper
Engineering, Electrical & Electronic
John Lopez, Girolamo Mincuzzi, Konstantin Mishchik, Eric Audouard, Eric Mottay, Rainer Kling
LASER APPLICATIONS IN MICROELECTRONIC AND OPTOELECTRONIC MANUFACTURING (LAMOM) XXIII
(2018)
Proceedings Paper
Engineering, Electrical & Electronic
F. Fraggelakis, G. Mincuzzi, J. Lopez, Inka Manek-Honninger, R. Kling
LASER-BASED MICRO- AND NANOPROCESSING XII
(2018)
Proceedings Paper
Engineering, Electrical & Electronic
Laura Gemini, Marc Faucon, Rainer Kling
FRONTIERS IN ULTRAFAST OPTICS: BIOMEDICAL, SCIENTIFIC, AND INDUSTRIAL APPLICATIONS XVIII
(2018)
Proceedings Paper
Engineering, Electrical & Electronic
F. Fraggelakis, G. Mincuzzi, J. Lopez, Inka Manek-Honninger, R. Kling
2017 CONFERENCE ON LASERS AND ELECTRO-OPTICS EUROPE & EUROPEAN QUANTUM ELECTRONICS CONFERENCE (CLEO/EUROPE-EQEC)
(2017)
Proceedings Paper
Engineering, Electrical & Electronic
K. Mishchik, J. Lopez, O. Dematteo Caulier, G. Duchateau, B. Chassagne, R. Kling, C. Hoenninger, E. Mottay
2017 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)
(2017)
